XOMA CORP DEL

CUSIP: 98419J107 Class: CMN

RA CAPITAL MANAGEMENT, L.P.'s Holding History (CIK: 0001346824)

Note: Option positions (PUT/CALL) are excluded.

Q3 2013
Shares 6,915,525 Value ($000) $31,051 Avg Close — Range —
Q2 2013
Shares 6,698,558 Value ($000) $24,316 Avg Close — Range —